Low gas. Are 03 2388 did same thing still worked but flashed code. Was told by a case tech books were wrong my system required a 1/2 lb more than book calls for we changed drier and expansion valve at same time started with system empty and 1/2 lb more than said and been code free for two years.
on our 23's the ac light would come on usually later on in the day and just keep on lighting up even though there was lots of Freon in the system . I had tried overcharging and it would still come 0n so all I did was take the tool box out from under the jump seat and unplug the low pressure switch that is on the ac line under there . once unplugged the light never comes on and it doesent quit working -- who cares if the pressure drops a bit on the suction side -- would be a different story on the high pressure side and that pressure switch is in the engine bay .
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